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枫杨幼苗对富营养化水体中总氮总磷的去除效果(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年05期
Page:
139-142
Column:
研究简报
publishdate:
2011-09-30

Article Info:/Info

Title:
Removal effect on total nitrogen and total phosphorus in eutrophic water of Pterocarya stenoptera
Author(s):
TONG Lili1*
1. Horticulture School, Jinling Institute of Technology, Nanjing 210038, China; 2. College of Forest Resources andEnvironment, Nanjing Forestry University, Nanjing 210037, China; 3. Jiangsu Key Laboratory of Forest Ecological Engineering, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Pterocarya stenoptera simulated eutrophic water morphology changes removal effect on TN and TP
Classification number :
S718;X173
DOI:
10.3969/j.jssn.1000-2006.2011.05.031
Document Code:
A
Abstract:
This paper investigated the morphologic changes and the uptake effect on TN and TP in eutrophic water by using oneyear seedlings of Pterocarya stenoptera, which were planted in 4 treatments of simulated eutrophic water with various concentration of TN as 20,300,400, 800 mg/L and TP as 04,80,150,250 mg/L respectively from September to November, 2009. Results showed that P. stenoptera had rather strong adaptability to the eutrophic water, and they grew well in it, with height, stem base diameter, leaves number increase more or less. P. stenoptera demonstrated a good removal effect on TN and TP of 4 different concentrations, with the average uptake rates 831 % and 2379 %, among which the best uptake capacity for TN, TP appeared when they were in the lowest concentration, reached 1706 % and 4086% on average. All the results indicated that P. stenoptera was an applicable wetland regional tree species in the eutrophic water.

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Last Update: 2011-09-30